Self-sealing drain vent cover



FIG. 1 is a perspective view showing my design for a self-sealing drain vent cover;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a cross-sectional view taken along line 5-5 in FIG. 4; and,

FIG. 6 is a bottom plan view thereof.

The broken lines illustrate portions of the self-sealing drain vent cover that form no part of the claimed design. 

CLAIM The ornamental design for a self-sealing drain vent cover, as shown and described. 